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. 2021 Feb 9;71(704):e243–e249. doi: 10.3399/bjgp20X714125

Table 2.

Number of comorbidities by CKD status, N = 1 274 374

Characteristic CKD (N= 33 567) Without CKD (N= 1 240 807) Unadjusted OR (95% CI) aOR (95% CI)a
Mean comorbidities, n (SD) 3.8 (2.2) 1.2 (1.6)

Total comorbidities, n (%)
  0 614 (1.8) 598 194 (48.2) 1.00 1.00
  1 3553 (10.6) 278 807 (22.5) 12.4 (11.4 to 13.5) 6.5 (6.0 to 7.1)
  2–3 12 472 (37.2) 248 971 (20.1) 48.8 (45.0 to 53.0) 15.2 (14.0 to 16.5)
  4–6 13 000 (38.7) 99 779 (8.0) 126.9 (117.0 to 137.7) 26.6 (24.4 to 28.9)
  ≥7 3928 (11.7) 15 056 (1.2) 254.2 (233.1 to 277.2) 41.9 (38.3 to 45.8)

Mean physical health comorbidities, n (SD) 3.4 (1.9) 0.9 (1.4)

Physical comorbidities, n (%)
  0 801 (2.4) 669 088 (53.9) 1.00 1.00
  1 4356 (13.0) 275 611 (22.2) 13.2 (12.2 to 14.2) 6.5 (6.0 to 7.0)
  2–3 14 130 (42.1) 220 654 (17.8) 53.5 (49.9 to 15.2) 15.2 (14.1 to 16.4)
  4–6 12 070 (36.0) 69 280 (5.6) 145.5 (135.4 to 156.4) 28.4 (26.3 to 30.6)
  ≥7 2210 (6.6) 6174 (0.5) 299.0 (274.7 to 325.4) 49.0 (44.8 to 53.5)

Mean mental health comorbidities, n (SD) 0.4 (0.8) 0.2 (0.6)

Mental comorbidities, n (%)
  0 22 980 (68.5) 1 022 283 (82.4) 1.00 1.00
  1 7016 (20.9) 159 527 (12.9) 2.0 (1.9 to 2.0) 1.3 (1.2 to 1.3)
  2–3 3464 (10.3) 57 091 (4.6) 2.7 (2.6 to 2.8) 1.4 (1.3 to 1.4)
  ≥4 107 (0.3) 1906 (0.2) 2.5 (2.05 to 3.04) 1.37 (1.11 to 1.69)
a

Adjusted for age, sex, and deprivation. aOR = adjusted odds ratio. CKD = chronic kidney disease. OR = odds ratio.